#include <stdio.h>
#include <string.h>

int main(){
    struct Student{
        long num;
        char name[20];
        char sex;
        float score;
    };
    struct Student stu_1;
    struct Student *p;
    p=&stu_1;
    stu_1.num=10101;
    strcpy(stu_1.name,"Li Line");
    stu_1.sex='M';
    stu_1.score=89.5;
    printf("No.:%ld\nname:%s\nsex:%c\nscore:%5.1f\n",stu_1.num,stu_1.name,stu_1.sex,stu_1.score);
    printf("No.:%ld\nname:%s\nsex:%c\nscore:%5.1f\n",(*p).num,(*p).name,(*p).sex,(*p).score);
}